Auto Exposure Ramped Timelapse: The Holy Grail

2. To shoot these, the camera’s settings need to be adjusted continuously while taking the timelapseas the light changes. In this mode, the Unleashed does this automatically for you.

3. The top area of the screen shows a summary of the camera’s current settings. You can change those settings by tapping on that area to see the detailed camera settings.

4. In the center area you can set the interval i.e. in what frequency a photo should be taken, and the duration i.e. for how long should the timelapse be running.

5. “Algorithm” lets you set how the adjusting of the settings should be calculated:

EV meter Smoothing 24:

Reads the exposure meter value before each photo, but smoothes it over several photos and then sets the values ​​of the camera (which must be in M ​​mode!) each in third f-stops after. In our experience, the camera’s light meter is very good, but not very consistent, especially in darker scenes. Smoothing the values ​​compensates for flickering in the timelapse, and setting in 1/3 fades produces a as smooth as possible transition.

LRTimlapse.com Sunrise / Sunset (beta)

An algorithm developed by Gunther Wegner of LRTimelapse.com. Calculates a weighted average luminance value from the histogram of a photo. The algorithm is trying to keep this value constant and adjusts the camera in third f-stops when exceeding or falling below the limits.

LRT modified Sunrise / Sunset (beta)

A Foolography modified version of the algorithm developed by Gunther Wegner (LRTimelapse.com). With this algorithm, the histogram is normalized so that the values ​​do not distort when there are strong changes in brightness (e.g., a lamp is turned on).

Because of certain characteristics of the post-regulation you have to choose in advance if it should be a sunset or sunrise. With the EV-meter Smoothing 24h this is not necessary so you can create day-to-night-to-day or just 24h timelapses.

The order of the changed values ​​is defined as follows:

Sunset or darker scenes: shutter speed, aperture, ISO. At sunrise it’s exactly the other way around.

6. “Day” and “Night” lets you set the minimum and maximum limits for shutter speed, aperture and ISO. The app’s recommended default values are shown in bold letters.

7. Tap “Adjust” to manually adjust exposure. This setting can still be changed while shooting. The Unleashed will then smoothly adjust the exposure over the next photos taken.

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